Tonsillotome



Jan. 22, .1929.

i B. B. MONTGOMERY TONS ILLOTOME Filed March 17, 1928 2.Sheets-Sheet 2 N 3M4 D n UmW Patented Jan. 22, 1929.

@MQWT Wheres.

*BRADDEY 33.

=01? nnncesrnn, KENTUCKY.

monsiLnoronn.

Application-filed March 17, 1928. Serial no. 262,413. r

vides device of this character so constructed that it may he en iployed in conjunction with. the usual tonsil forceps to he guided there by, so that accurateengagement of the instrument with thefitonsil may he had, even though the vision he obscured by 'blood or mucus.

A Ji'urther object of the invention is to provide an instrument oi this character which may be controlled wlth one hand, which will he comparatively simple in its construction and which will he't'lurnhle and service These and other objects I zittain by the construction. shown ln the accompanying drawings, wherein for the lpur'pose '1" illu trstion is shown a :preite red embodiment of my invention and wherein- Figure 1 is stolen View of n tonslillotonre constructed in accordance with my inven tion;

Figure 2 aside elevntionfthereoi;

Figure his a longitudinal section-11 1 view theret hrough, parts being shown in pert L lly operated position, the dotted lines indicating the movement of the snare;

l igure t is n section on the line l l of Figure Figure 5 is zrsectionnlview showing the inner face or the jaw of the stationary bar;

I Figure 6 1s 21 section on the line 6-6 of F gure 3.

Referring now more particularly to the drawings, the numeral 10 generally, designates the stetionsry member of the Iorceps coinprisinge her 11 having at one end there of :1 ring '12 andntthe opposite end thereof an sngulsrly projecting jaw 18, the it outer face ct which is provided with teeth let.

The her 11 isprovided with guides 15 upon its upper surface ion the guidance of the lnevshlenleinhers 16 oft-he ciziinp and upon its under surface is formed with guides 1'? ter F21 snare wire 18. The jaw 13 upon its inner face n tits lower oriree-end is likewise provided with a guide 19Eor thepnsshge of the snare wire. Uponthe bar is mounted :1 lever pawl 20.

The inovahle member of the clamp coniprises a hair 521. formed at oneend as a ring the under surtnce of which, at a point reinote from the bar, has a pair o'irjn'ws 2?), the iiuicrfnccs of which are provided withteet h 9.4., opposing: the toothed surfaces oi the jaw 13. The tn '21 is reciprocntahle in the guides 15 and at its innerend formed upon its outer race w th a series of "mtehetteerh 25, upon zL-SlClG nice wlth a second series-of ntchet teeth 26 adapted to coast withthe dog 20 end, at its inner end with a penof Eil idshlc upon the. her 10 is 21 ydke'28hirving finger rinf This Jyo'ke has pivoted springgep ressctl dogs for engirfgeinent in the notches 527 of the hzirfil, so that this her new Shirt, with "the yoke, This yoke flies 'jliurther nio I ed'thereon i rindel' sur fhce a clamping rew 30 by it iic'h e ends of the snarewire jnisy'heclan' pl l t e 'jo he.

additionally provide it snare clenip coinprising a, s1mvingdtone end it yoke 32 embracing the her 21 and its ojrosite end a ring structure 33 si ilar to the r 22 and imposed thereon. The ri g 33 is s10 l, as at for the passrrge of guide "e'lenients 35 carried h'jl the ring 22 to permit a iliinited shifting; inoveinei'it of these r1. Q's. Ther'iing use 536 oppesh'ig the on ring end admitted to heart th fiw it'h to (-l-liinningly hold the loop '8? of he snzrre. The inner end of the her 31 has at dog 38 for selective engagement in the notches In propel-ring the instrument for use, the

yoke connected to the movable her 21 by engeg nwithe do 30 in the notch The ar movable hairs about the jaws 23 and pieced 'egninst the outer face of the ring when tlie clsn'rpih bar 531 adjusted to bring the jaws 136 against the loop and hold it in its 'zrdjtisted positions. The inner end of the loop is fastened upon the clamping screw 3'0 of the yoke. lVitl'r the e preparations, the instrument is ready for use. In performing the pemtion, 0rdinsry tonsil forceps are employed to hold the tonsilwhile dissection is inade around it in the usual manner. The ring 22 is then,

placed over the outer end of this forceps and passed thereover until it is engaged with the tonsil.

The jaws l3 and 23 are forced well down around the tonsil after which the tonsil is pulled up gently by the tonsil forceps to pass the tonsil through the ring 22. At this time, the thumb is engaged in the ring 2 while the first and second fingers of the hand are engaged in the rings 29 of the yoke. This yoke is then pulled back, shifting the bar 21 and the ring therewith and causing the jaws l3 and 23 to clamp upon the tonsil. The bar 21 is retained in its retracted iiosition by the lever pawl and in event a satisfactory hold is not obtained at the first attempt, thi ratchet may be released to permit the jaws to be opened fora second engagement. After a satisfactory engagen'ient has been obtained,

the tonsil will be securely engaged in the clamping jaws. The dogs 30 are then released, permitting independent movement on the part of the yoke 28. The dog 38 is released and the bar 31shifted forwardly to release the snare wire at the loop. The yoke 28 is then drawn toward the ring 12, moving with it the snare 18. The loop 37 of this snare is guided by the jaws 23 to the base of the tonsil and because of the fact that the guide 19 is arranged at the lower end of the jaw 13, this snare will pass squarely across this base, severing the tonsil which remains secured in the clamp to permit its removal.

It will be obvious from the foregoing that a device of this character is readily manipulatable and provides efficient means for both clamping the tonsil to hold it in the proper position to permit removal thereof and for guiding the snare in its cutting operation.

Itwill also be obvious that the construction hereinbefore set forth is capable of a certain range of change and modification without materially departing from the spirit of the invention and I accordingly do not limit myself to such specific structure except as hereinafter claimcc I claim 2- 1. In a tonsillotome, a stationary bar, a movable bar carried by the stationary bar, coacting tonsil engaging jaws carried by the inner ends of the stationary and movable bars, a snare guide carried'by the lower end of the jawof the stationary bar, the jaw of the movable bar being constructed to guide a snare loopfrom the upper to the lower end thereof when traction is applied to the snare.

2. In a tonsillotonie, a stationary bar, a

inner ends of the stationary and movable bars, a snare guide carried by the lower end of the jaw of the stationary bar, the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction isapplied to the snare,

means shiftable upon the stationary bar for shifting the movable bar, and means for holding the movable bar in adjusted positions.

3. In a tonsillotome, a stationary bar, a movable bar carried by the stationary bar, coacting tonsil engaging jaws carried by the inner ends of the stationary and movable bars, asnare guide carried by the lower end of the jaw of the stationary bar, the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, means shiftable upon the stationary bar for shifting the movable bar, and means for holding the movable bar in adjusted positions, the first nan'ied means being disengageable from the movable bar and having means for attaching the outer end of a snare thereto.

4. In a tonsillotome, a stationary bar, a movable bar carried by the stationary bar, coacting tonsil engaging jaws carried by the inner ends of the stationary and movable bars, a snare guide carried by the lower end of the jaw of the stationary bar, the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, one of said bars having an opening for the passage of a tonsil forceps, said opening being disposed between the jaws when the jaws are in the open position.

5. In a tonsillotome, a stationary bar, a movable bar carried by the stationary bar, coacting tonsil engaging jaws carried by the inner ends of the stationary and movable bars, asnare guide carried by the lower end of the jaw of the stationary bar, the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, a yoke shiftable upon the sta- 'tionary bar and having engagement with the movable bar permitting shifting of the movable bar thereby, means for rendering the last named means inoperative, and means for attaching a share to said yoke.

6. In a tonsillotome, a stationary bar, a movable bar carried by the stationary bar, coacting tonsil engaging jaws carried by the inner ends of the stationary and movable bars, a snare guide carried by the lower end of the jaw of the stationary bar, the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, and means carried by the movable bar and shift-able thereon for clamping a snare loop to the upper end of the jaw of the movable bar.

7. In a tonsillotome, a stationary bar, a movable bar carried by the stationary bar, coacting tonsil engaging j awscarried by the inner ends of the stationary and movable bars, a snare guide carried by the lower end of the jaw of the stationary bar, the jaw oi the movable bar being; constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, and means carried by the inovable bar and shittable thereon for clamping a snare loop to the upper end of the jaw of the movable bar, the movable bar and said means having aligned openings for the passage of a tonsil forceps, said openings being disposed between the jaws when the jaws are in open position.

8. In a tonsillotoine, a stationary bar, a movable bar carried by the stationary bar, enacting tonsil engaging jaws carried by the inner ends of the stationary and. movable bars, a snare guide carried by the lower end of the jaw of the stationary bar, the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, and means releasable from the enter end of the movable bar for holding said snare loop against the upper end of the jaw movable bar carried by the stationary bar,

eoacting tonsil engaging jaws carried by the inner ends of the stationary and movable bars, a snare guide carried by the lower end of the jaw of the stationary bar the jaw of the movable bar being constructed to guide a snare loop from the upper to the lower end thereof when traction is applied to the snare, means carried by the movable bar and shittable thereon for clamping a snare loop to the upper end of the jaw of the movable bar, lneansslidable upon the stationary bar and engageable with the movable bar for shifting the movable bar, and means for attaching the outer end of a snare to the last named means I In testimony whereof I hereunto aliix my signature.

BRADLEY B. MONTGOMERY. 

